159415938 has 40 divisors (see below), whose sum is σ = 389687760. Its totient is φ = 48307320.

The previous prime is 159415933. The next prime is 159415939. The reversal of 159415938 is 839514951.

159415938 is a `hidden beast` number, since 1 + 59 + 4 + 1 + 593 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 159415893 and 159415902.

It is not an unprimeable number, because it can be changed into a prime (159415933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42948 + ... + 46511.

It is an arithmetic number, because the mean of its divisors is an integer number (9742194).

Almost surely, 2^159415938 is an apocalyptic number.

159415938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159415938 is an abundant number, since it is smaller than the sum of its proper divisors (230271822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159415938 is a wasteful number, since it uses less digits than its factorization.

159415938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89484 (or 89475 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 159415938 is about 12626.0024552508. The cubic root of 159415938 is about 542.2221394867. Note that the first 3 decimals are identical.

The spelling of 159415938 in words is "one hundred fifty-nine million, four hundred fifteen thousand, nine hundred thirty-eight".